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-rw-r--r--Lib/test/test_tracemalloc.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/Lib/test/test_tracemalloc.py b/Lib/test/test_tracemalloc.py
index d1e5aef..c953885 100644
--- a/Lib/test/test_tracemalloc.py
+++ b/Lib/test/test_tracemalloc.py
@@ -346,6 +346,8 @@ class TestSnapshot(unittest.TestCase):
self.assertIsNot(snapshot5.traces, snapshot.traces)
self.assertEqual(snapshot5.traces, snapshot.traces)
+ self.assertRaises(TypeError, snapshot.filter_traces, filter1)
+
def test_snapshot_group_by_line(self):
snapshot, snapshot2 = create_snapshots()
tb_0 = traceback_lineno('<unknown>', 0)